feat(hub): URL-keyed knowledge surface + CHAOSS metrics dashboard + Overview polish

docs-site/docs/community/index.md

@@ -81,6 +81,6 @@ the browser-only node-builder form. The first listed node is
 
 ## Contact
 
-- carlos.vivarrios@epfl.ch (SDSC)
-- aruni.senaratne@epfl.ch (EPFL Open Science)
+- <carlos.vivarrios@epfl.ch> (SDSC)
+- <aruni.senaratne@epfl.ch> (EPFL Open Science)
 - GitHub: [sdsc-ordes/open-pulse](https://github.com/sdsc-ordes/open-pulse)

src/open_pulse/gui/hub/auth.py

@@ -76,3 +76,20 @@ def require_auth(
         detail="Authentication required",
         headers={"WWW-Authenticate": 'Basic realm="open-pulse-hub"'},
     )
+
+
+def maybe_require_auth(
+    request: Request,
+    response: Response,
+    creds: Annotated[HTTPBasicCredentials | None, Depends(_basic)] = None,
+    op_hub_session: Annotated[str | None, Cookie()] = None,
+) -> None:
+    """Auth bypass for /hub/** when HUB_PUBLIC_KNOWLEDGE=true.
+
+    Same accept-rules as :func:`require_auth`, but a flip of the env flag
+    turns the knowledge surface into a fully public catalog. Mounted on
+    the hub routes only; the rest of the dashboard stays gated.
+    """
+    if _SETTINGS.public_knowledge:
+        return
+    require_auth(request, response, creds, op_hub_session)